function comboxTree(){
// 部门的树形下拉框		
	var contenttree =getOrgTree();
	
	return new Ext.form.ComboBoxTree({
						width:130,
						allowBlank : false,
						fieldLabel : '部门',
						anchor : '90%',
				        width : 150,
						//allowUnLeafClick:false,//只允许选择叶子
						treeHeight:200,
						emptyText:'请选择...',
						tree:contenttree
			});        
		         
}